Janus® 72 Tooth Sprocket #41 Bicycle Style Roller Chain 2000/2500/3100 EO Kit
The Janus ® 72 Tooth Sprocket HDWR200094-0000 is designed for use with a #41 (bicycle-style) Roller Chain. The sprocket installs on the axle of a rolling door and connects the electric garage door opener with the roller chain.